private void addressBindingNavigatorSaveItem_Click(object sender, EventArgs e)
{
Validate();
addressBindingSource.EndEdit();
try
{
dbcontext.SaveChanges();
}
catch (DbEntityValidationException)
{
MessageBox.Show("Columns cannot be empty", "Entity Validation Exception");
}
RefreshContacts();
}
} // end method for loading contacts
// Click event handler for the Save Button in the
// BindingNavigator saves the changes made to the data
private void addressBindingNavigatorSaveItem_Click(object sender, EventArgs e)
{
Validate(); // validate input fields
addressBindingSource.EndEdit(); // complete current edit, if any
// try to save changes
try
{
dbcontext.SaveChanges(); // write changes to database file
} // end try
catch (DbEntityValidationException)
{
MessageBox.Show("Columns cannot be empty", "Entity Validation Exception");
} // end catch
RefreshContacts(); // change back to updated unfiltered data
} // end method for save button